Kawaikereba Hentai demo Suki ni Natte Kuremasu ka? Volume 4 Prologue

Prologue

It was the latter half of August, and
towards the end of summer break.

When Keiki opened his eyes, he was
greeted by a girl, who was lying next to him in his bed.

“Mizuha…”

Wrapped in a pink pyjamas, the girl who
was letting out sleeping sounds was Kiryuu Mizuha. Bearing the same
name as Kiryuu Keiki, she was his little sister.

Or rather, she should be his little
sister, but—

“…Why am I this excited by my
little sister’s sleeping face…”

He had seen that sleeping face
countless times already. Until now, he hadn’t felt this way,
because the other person was his little sister Mizuha. But Keiki knew
very well why that had changed. He remembered back to that incident
at the pool. Inside the pool building, on the staircase to the second
floor, he had flipped up her skirt. Of course, his goal wasn’t
sexual harassment. It was to find out if he was wearing ‘Cinderella’s
panties’ that had disappeared from his room. And, just as he had
suspected, Mizuha turned out to be his Cinderella. She was indeed
wearing those pure white panties.

Mizuha had turned out to be the
Cinderella who Keiki had been searching for for so long.

Until then, everything was good,
but…

After that, they had a short exchange,
until Mizuha suddenly pressed her lips against Keiki’s. That soft
feeling, and the girl’s body heat, together with her soft aroma…
everything was burned into this memory of his first kiss.

“Uuuuuu…”

As he remembered the kiss with Mizuha,
Keiki writhed in agony on top of the bed.

“And also, why is Mizuha in my bed?
…Ah, don’t tell me, we crossed that line last night?! No wait, I
would surely remember something like that—”

“Nnn…”

At that moment, Mizuha slowly opened
her eyes.

“Ahh…”

As she looked at Keiki, she started
smiling, and…

“Nii-san… Kiss”

She suddenly overlapped her lips with
Keiki’s. Just like the time at the pool, it was a sweet, so sweet,
lovers-like kiss.

“…Ehehehe, I did it again,”
Mizuha giggled with an embarrassed smile as she separated her face.

In response, Keiki’s face went stiff.

“………E…”

“Eh?”

“Emergency family
meeeeeeeeeeeting!!!!!!!!”

And just like that, an emergency
early-morning family meeting began.

The participants were Keiki and his
little sister, sitting on the bed, facing each other. Of course, the
topic was the ongoing lack of morals inside the family.

“From this point onward, kisses are
prohibited, Mizuha!”

“Ehhh?”

“Don’t ‘Ehhh’ me. Why did
you even snuggle into my bed?”

“I was lonely, after all. Nii-san has
been so distant from me recently.”

“Of course I would be after suddenly
being kissed by my little sister…”

He was confessed to by his little
sister at the pool, and his first kiss was suddenly stolen too, so of
course that would make any boy confused.

“But I don’t think that kissing the
boy I love is wrong, though.”

“Love…”

“Are you going to marry another girl
besides me, Nii-san?”

“Yes…?”

“You know, I can be quite the devoted
type.”

Of course, Keiki knew that very well.
After all, she would always cook for him, and she was very good at
housework. When she found porn magazines in her older brother’s
room, she still smiled at him, did everything she could for him, and
most importantly, wasn’t perverted at all. To many boys, she would
be the perfect type of girl.

“Honestly, Mizuha is cute, and I
think that you’re very charming.”

“R-Really…?”

As she was praised, Mizuha’s cheeks
started turning red. Seeing that, he felt the strong urge to hug her
immediately. That’s how cute she was.

“But even if you ask me to suddenly
develop romantic feelings like that… Mizuha is still my little
sister.”

“We’re not related by blood,
though?”

“Uuu…”

That was the main problem. After she
confessed to him at the pool, Keiki did indeed call his father to
make sure that she wasn’t lying, and he had confirmed it. On that
day, he found out that Mizuha was actually his sister-in-law.

“Since we’re not blood-related, we
can do perverted stuff.”

“Perverted stuff?!”

“I mean, Nii-san hasn’t been
confessed to by any girl other than me, right? Since I also stole
your first kiss, choosing me wouldn’t be a bad idea, don’t you
think?”

“No, that’s not…”

“Nii-san… do you hate me?”

“Something like that is…”

Of course he didn’t hate her. It
would be fine to say that he loved her, and treasured her. However,
that feeling was only familial love, and not love towards a person of
the opposite sex.

“I love Nii-san, you know?”

She once more directly confessed her
romantic feelings for Keiki.

“Though Nii-san might only see me as
a little sister right now, I’ve always seen Nii-san as a normal
boy.”

“Mizuha…”

“And, my breasts are also pretty big,
right?”

“I-I wouldn’t choose girls because
of their breast size.”

“But all the porn magazines that you
have are full of girls with big breasts, though?”

“Why do you know that?!”

“You sometimes left them lying on top
of your bed, you know? You didn’t hide them properly.”

“I’m very sorry!”

But, truth be told, at the day at the
pool, Keiki had indeed found out that her breasts were the second
largest out of the four of them.

“If you’re interested… Do you
want to cop a feel?”

She probably realized that he was
staring at her chest. While kneeling on the bed, she stretched out
her hands and hugged Keiki tightly.

“M-Mizuha?!”

“How are they? I think that they’re
pretty fine.”

“Even if you say that right now?!”

Keiki didn’t dare say it out loud,
but the breasts that were pressing against him really were
horrifically voluptuous. Their soft volume was directly transmitted,
even through her thin clothing. Keiki knew very well that his heart
shouldn’t be beating as fast as it currently was, but he couldn’t
stop it.

“Fufu, Nii-san…”

Mizuha let out a soft giggle, and
rubbed her cheek on his chest. With this cute gesture, he felt like
something very important inside of him was about to break.

What is this? This is really bad! I
might actually die from her cuteness!

This clearly surpassed the level of
just being very close siblings. Indeed, they weren’t connected by
blood, but Keiki still thought of her as his little sister. If he was
continuously kissed by her like that, or hugged like that, he would
surely eventually start thinking things like “My little sister
wouldn’t be too bad, I guess?”, and just imagining it made Keiki
shiver from a terrible feeling of guilt.

In order to avoid this result, Keiki
had to take more drastic measures. Before his rational thinking
reached its limit.

“Mizuha…”

“Nii-san?”

He softly grabbed her shoulders and
pushed her away.

“If Mizuha’s going to fight like
that, then I have my own idea.”

“Idea?”

To Mizuha, who was staring at him, he
declared his resolve with a strong voice.

I honestly think that it’s meant to be stepsister, not sister in law, unless he has another older sibling who got married who happened to have a sister that was then sent to live with his family (or vice versa and he was sent to hers)
but I feel like its more likely that their parents got marries while 1 already had a daughter and the other a son, thus stepsiblings